Elevator-bucket attachment.



A. L. ADRiANSON.

ELEVATOR BUCKET ATTACHMENT.

APPLICATION FILED OCT. 12. 1911.

Lfii fifilv Patented Aug. 27, 1918'.

2 SHEETS-SHEET I.

aw/{memes ms FEYERS cu. Fuomurno WASHINGTON. o. c.

A. L. ADRIANSON.

ELEVATOR BUCKET ATTACHMENT.

APPLICATION FILED OCT. 12. 19H.

1,276,851; Patented Aug. 27, 1918.

2 SHEETSSHEE T 2.

ALFRED LORIIIVIER ADRIANSON, or anemia, WISCONSIN.

ELEVATOR-BUCKET ATTACHMENT.

Specification of Letters Patent.

Patented A u 27, 1918.

Application filed October 12, 1917. Serial No. 196,280.

To all whom it mag concern:

Be it known that I, ALFRED L. AnmANsoN, a citizen of the United States,residing at Racine, in the county of Racine and State of Wisconsin, haveinvented new and useful Improvements in Elevator-Bucket Attachments, ofwhich the following is a specifica tion.

This invention comprehends the provision of a bucket attachment-forendless conveyers, and has for its object to prevent stone, gravel andthe like which the buckets are conveying, from finding their way be"tween the buckets and the belt, thus prolong-- ing the life of thelatter, and reducing the operating expense of the elevator or con-'veyer to a minimum.

It frequently happens that stone, gravel and the like lodges between thebuckets and belt of the elevator, especially as the latter pass over thepulleys, and as the buckets tend to adjust themselves to the belt on thestraight away the stone and gravel are forced through the belt creatinglarge jagged holes in the latter. The belt is thus weakened to suchanextent, that it must'be replaced in order to, prevent breaking of theelevator as a whole which would obviously result in considerable damage.

The present invention aims to obviate this trouble, by providing anattachment that is applicable to all types of'bucket elevators,

and designed to absolutely prohibit the entrance of stone, gravel or thelike beneath the buckets, and especially whenthe buckets discharge theircontents into the hopper.

The nature and'advantages of the invention will be better understoodwhen the following detail description is read in connection with theaccompanying drawings, the invention residing in the construction,combination and arrangement of 7 parts as claimed.

In the drawings forming part of this specification like numerals of;reference indicate similar parts in the several views and wherein Figure1 is a side elevation of an elevator showing the attachments associatedwith the respective buckets.

Fig. 2 is an enlarged plan view of one of the buckets with theattachment associated therewith.

Fig. 3 is a sectional view taken on line e 3 of Fig. 2.

Fig. 4 is a plan view of one of the attachments separated from thebucket.v

Figure 5 is a sectional view taken on line 55 of Fig. 4.

Fig. 6 isan edge elevation of one of the springs.

Referring to the drawings in detail 'A indicates generally an endlessconveyer or ele- A vator which essentially embodies a belt 10 to theouter surface of ,which is secured a series of buckets 11. Usually,there is a space betweenthe adjacent buckets 11, which is frequently dueto stretching of the belt,

and when the buckets are utilized in conveying stone, gravel or thelike, the contents of the buckets often lodge between the buckets andthe belt. This condition has a very ruinous effect upon the belt, as theweight 4 of the bucket and its contents forces the stone and gravel thatjams between the buckets and belt, through the latter, and after anumber of holes have been thuscreated in the belt the latter becomes soweakened that it necessitates the replacing of the belt with a new onewhichrequires considerable time and expense.

The present invention'embodies an elongated plate 12 which is curvedtransversely throughout its length and has its opposite longitudinaledges slightly offset as at 13 and 14 respectively. A bar 15 is disposedbeneath the plate 12 adjacent the longitudinal edge 14, the bar beingriveted to the plate as at 16, or otherwise suitably secured thereto.The plate 12 is cut away at two of its corners as at 17 and the oppositeterminals of'the bar 15 are exposed inthese out away portions. A pair ofleaf springs 18.

are employed. each spring having one end arranged within the cut awayportion 17 of the plate. and coiled as at 19 toprovide a bearing for theadjacent terminal of the rod 15. A washer 20 is fitted upon the baradjacent each spring, and a cotter pin 21. is subsequently passedthrough the bar at each end to maintain the springs operativelypositioned upon the bar. The springs 18 pro effect upon the belt.

ject an appreciable distance beyond the edge 14 of the plate and areprovided with openings 22 for .the reception ofsuitable fasten ingelements for attaching the spring to one of the buckets 11.

As clearly illustrated in Fig. 1 one or the attachments above describedis positioned between every two of the ,buekets 11, the springs 18 beingsecured to the rear end of one ,bucket, while the curved plate 12expands or bridgesthe space between the respective buckets. Theoppositelongitudinal edges 13 and 14 of each plate bear against thetworespective bucketsbetween which the plate is arranged, with the edge 1-3disposed within one of the buckets assl-i'own inFig. 1. lVhen passingaround the elevator there is very little movement of the plate at theedge It between the spring, but considerable movement of the plate atthe opposite longitudinal edge 13. e To provide for this movement theplate extends an appreciable distance within one of the buckets, anarrangem-ent which also allows for the-stretching'of thebelt without acasual derangement of parts. The plate obviously prohibits stone, gravelor the like which is being con-' firmly upon the top of one bucket ofeach pair, on the straightway when carrying the load. A I

In placing the attachment on used elevator bucketsthat are worn so badlythat wearing strips are necessary, the springs 18 as shownjin Fig. 6 areoffset at a suitable point in their length as'at to permit the wearingplates to be arranged beneath the olfset'extremity of the spring as willbe readily understood.

While it is believed that from the foregoing description the nature andadvantages of the invention will be readily apparent, I

desire to have it understood that what is herein shown and described isiiierel illustrative of the preferred embodiment of the invention towhich I do not limit myself,

and that such changes may be resorted to when desired as fall within thescope of what is claimed.

, that is claimed is l. The combination with a belt and a series ofelevator buckets thereon, of a curved plate bridging the space betweeneach two adjacent buckets, and said plate being hinged at an appropriatepoint in its .ividth to one Off said buckets, with its oppositelongitudinal edges bearing against the respective buckets.

2. The combination with a belt and a series of elevator buckets thereon,of a curved plate bridging the space between .each two adjacent buckets,and resilient ineans h-ingedly supporting said :plate from ione ot saidbuckets withthe opposite long tudinal edges of said plate bearingagainst the respective buckets.

The combination with a belt and a series of elevator buckets thereon, ofa curved plate, a bar secured to one side of the plate, a pair .ofsprings secured to zone of said 'ib uckets and providing bearings forsaid bar whereby said plate is hinged ly sup 'iorted on said springs,and said plate bridging the space between each two adjacent buckets withthe longitudinal edges bearing against the respective buckets. i

4. The combination with an endless belt and a series of elevator bucketsthereon, each bucket having a closed end and open at its forward end, ofa curvedpla-te arranged'between each two adjacent buckets, said platebeing hingedly supported from one of said i buckets, with one of thelongitudinal edges bearing against said bucket and the oppositelongitudinal edge arranged within'the other adjacent bucketand bearingagainst the bottom thereof, and resilient means eX- erting a pressureupon said plate.

5. The combinatlon with a beltand a series of elevator buckets thereon,of a curved plate arranged between each two adj acentbuckets, leafsprings secured to one of said buckets and hingedly supporting saidplate, said plate having its opposite lougitudinal edges bearing againstthe respect ve buckets, and an outwardly curved por- 131011 pro ectlngfrom said plate ad acent each end thereof for the purpose described.

In'testimony whereof I afiix my signature.

ALFRED LORIMER inmrnsoii.

(topics of this patent may be obtained for fl ve cents each,by'addrc-s'sing the: ommissionerr ,Pzitents,

WalSh'ingt0n, D.C." a f

